1
StandardJS
standardjs.comAlso covers programming · same kind of online tool
Apply JavaScript Standard Style, a shared JavaScript code style and linter configuration.
Alternatives
The Best Bun Alternatives in 2026
24 alternatives1 free · 7 open source
Looking for something like Bun? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 7 are open source.
JavaScript and TypeScript code can be bundled, installed, and run with Bun, a runtime and toolkit.
Top picks at a glance
First suggestionStandardJSApply JavaScript Standard Style, a shared JavaScript code…Free or freemium optionTry It OnlineRun code in online interpreters for a range of practical…Open source optionstdlibThe stdlib project provides a numerical library for…Another optionWebCrackDeobfuscate, unminify, and unpack bundled JavaScript with…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | StandardJS | — | Not stated | Web |
| 2 | WebCrack | — | Not stated | Web |
| 3 | stdlib | — | Yes | — |
| 4 | Bun | — | Not stated | — |
| 5 | visualml.io | — | Not stated | Web |
| 6 | Retext | — | Yes | — |
| 7 | C++ Insights | — | Not stated | Web |
| 8 | Try It Online | Free | Not stated | Web |
| 9 | jsdfe | — | Not stated | Web |
| 10 | OpenNLP | — | Not stated | Web |
All Bun alternatives
2
WebCrack
webcrack.netlify.appAlso covers programming
Deobfuscate, unminify, and unpack bundled JavaScript with WebCrack, a tool for inspecting scripts.
3
Also covers programming · open source
The stdlib project provides a numerical library for JavaScript and TypeScript applications.
4
Bun
github.com/oven-sh/bunAlso covers programming
Use Bun as a JavaScript runtime, bundler, test runner, and package manager.
5
visualml.io
visualml.ioAlso covers programming
The visualml.io site introduces a machine learning toolkit built with JavaScript.
6
Also covers programming · open source
Retext processes natural language through a plugin based toolkit in the unified JavaScript ecosystem.
7
C++ Insights
cppinsights.ioAlso covers programming · same kind of online tool
Inspect C++ source code from a compiler’s perspective with C++ Insights, an interactive source transformation tool.
8
Also covers programming · same kind of online tool · free
Run code in online interpreters for a range of practical and recreational programming languages with Try It Online.
9
jsdfe
avotoko.github.io/javascript-deobfuscatorAlso covers programming · same kind of online tool
Make obfuscated JavaScript easier to read with jsdfe, a tool for examining its approximate behavior.
10
OpenNLP
opennlp.apache.orgAlso covers programming
Apache OpenNLP is a machine learning based toolkit for the processing of natural language text.
11
JavaDecompiler
javadecompilers.comAlso covers programming
Decompile Java class and JAR files online to inspect their source code with JavaDecompiler.
12
Java Interop
clojure.org/reference/java_interopAlso covers programming
Clojure Java Interop documentation explains how Clojure code can access Java classes and methods.
13
Octave
octave.orgAlso covers linux and programming
GNU Octave is a programming language for scientific computing with mathematical syntax.
14
Also covers programming · open source
libpython-clj provides Python bindings that connect Python libraries with Clojure code.
15
JavaScript Interop
clojurescript.org/reference/javascript-apiAlso covers programming
ClojureScript JavaScript API documentation covers JavaScript interoperation and collection behavior.
16
Underdash
surma.github.io/underdashAlso covers programming
Copy and paste reusable JavaScript utility functions from the Underdash collection.
17
JS Compressor
jscompressor.treblereel.devAlso covers programming
Compress JavaScript with the Closure Compiler and choose an optimization level and formatting options.
18
act
nektosact.comAlso covers programming · same kind of online tool
The act programming language is documented in a user guide with reference materials.
19
Deobfuscator
willnode.github.io/deobfuscatorAlso covers programming
Deobfuscate JavaScript with controls for formatting, simplification, and evaluation in this browser tool.
20
Also covers linux and programming · open source
Python bindings for Frog expose Dutch NLP functions such as tagging, lemmatization, named entity recognition, and parsing.
21
Recaf
coley.software/RecafAlso covers programming · same kind of online tool
Inspect and edit Java bytecode with Recaf, a modern editor that includes a documented user guide.
22
Also covers macos and programming · open source
Inspect Java source from CLASS files using JD-GUI, a standalone graphical decompiler.
23
Also covers programming · open source
Frog combines memory based NLP modules for Dutch, including tagging, lemmatization, morphology analysis, and dependency parsing.
24
Also covers programming · open source
Explore GitHub Awesome lists through AwesomeExplorer, a web app for finding repositories and resources.
No alternatives match this filter.
Alternatives to similar tools
Awexplor.github.io24 alternativesJavaDecompiler24 alternativesJavaScript Interop24 alternativesstdlib24 alternativesOpenNLP24 alternativesjd-gui24 alternatives
What is the best alternative to Bun?
Based on features, tags and platforms, the closest alternatives to Bun are StandardJS, WebCrack, and stdlib.
Is there a free alternative to Bun?
Yes. Try It Online is free or offer a free plan.
Are there open-source alternatives to Bun?
Yes: stdlib, Retext, Libpython-clj, and python-frog.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative